OSHA
2 hours
Learning Objectives
- •Integrate the key requirements of 29 CFR 1926.603, 1926.1436, and Subpart CC as they apply to 3A operations
- •Identify the most frequently cited OSHA violations in pile driving and derrick operations
- •Apply OSHA competent person and qualified person definitions to 3A job-site scenarios
- •Explain OSHA's multi-employer worksite doctrine and how it affects 3A operators and employers
Topics Covered
- •OSHA 29 CFR 1926.603 key requirements summary: boilers, hose safety chains (min. 1/4 inch), stop blocks, blocking device, leads, overhead protection (2-inch planking equiv.)
- •OSHA 29 CFR 1926.1436 key requirements summary: derrick types, load chart, pre-use testing, guy derrick minimum 6 guys, capacity indicator (>6,000 lbs post Nov 2010)
- •Subpart CC operator qualification: employers must train each derrick operator on equipment they will operate
- •Competent person: one who can identify existing and predictable hazards and has authority to correct them
- •Qualified person: one with recognized degree, certificate, professional standing, or extensive knowledge/training to solve the problem at hand
- •OSHA multi-employer worksite: controlling employer, creating employer, exposing employer, and correcting employer each have distinct duties
- •Top OSHA citations in pile driving: failure to use safety chains on hose connections; lack of stop blocks; employees within swing/fall zone
- •Top OSHA citations in derrick work: missing or outdated load charts; failed pre-use testing; improper wire rope inspection
- •OSHA 1926.1408 power line minimum clearance: 20 feet (up to 350 kV) — applies to all 3A equipment
- •Recordkeeping: pre-use test records must be retained until derrick is retested or dismantled
- •OSHA General Duty Clause: employers must provide a workplace free from recognized hazards likely to cause death or serious injury even where no specific standard exists
Resources
Self-Check Questions
Question 1: Under OSHA 1926.1436, a derrick manufactured after November 8, 2010 with a rated capacity exceeding 6,000 pounds must be equipped with which of the following?
- A. A two-block detection system with audible alarm only
- B. A load-weighing device, load moment indicator, rated capacity indicator, or rated capacity limiter(correct)
- C. A certified load test certificate renewed annually
- D. An automatic safety shutoff that stops all operations when capacity is reached
Show Explanation
Explanation:
OSHA 1926.1436 requires one of four load-indicating or limiting devices for derricks over 6,000 lbs capacity manufactured after November 8, 2010. Older derricks are grandfathered from this specific requirement but must still comply with all other provisions.
Question 2: On a multi-employer construction site, a pile driving contractor's operator is exposed to an unguarded trench edge created by the excavation subcontractor. Under OSHA's multi-employer doctrine, which type of employer is the pile driving contractor in this scenario?
- A. Creating employer
- B. Controlling employer
- C. Exposing employer(correct)
- D. Correcting employer
Show Explanation
Explanation:
The exposing employer is the one whose employees are exposed to the hazard — even if they did not create it. The pile driving contractor must take reasonable steps to protect their employees, such as instructing them to avoid the area or requesting abatement.
Question 3: What does "competent person" mean in the OSHA context, as applied to 3A operations?
- A. A person with a professional engineering license
- B. A person capable of identifying existing and predictable hazards who has authority to take corrective action(correct)
- C. Any licensed 3A operator with five years of experience
- D. A person designated by the general contractor as the safety officer
Show Explanation
Explanation:
OSHA's "competent person" definition is about two things: the ability to identify hazards AND the authority to correct them. A competent person does not need a PE license but must have the knowledge and authority to act. This distinction appears frequently on licensing exams.
Question 4: A derrick pre-use test was conducted and documented. How long must this record be retained?
- A. 30 days
- B. 1 year
- C. Until the derrick is retested or dismantled, whichever occurs first(correct)
- D. For the life of the contractor's insurance policy
Show Explanation
Explanation:
OSHA 1926.1436 requires pre-use test documentation to be retained until the derrick is re-tested or dismantled — not merely for a fixed time period. The record must include the date, test results, and the name of the tester.
Question 5: A pile driving hose connection coupling suddenly fails and the hose begins whipping. What equipment was required to prevent this hazard under OSHA 1926.603?
- A. A pressure relief valve on the steam supply line
- B. Safety chains or equivalent at each hose connection(correct)
- C. A rubber sleeve over each connection point
- D. Hose connections are not regulated by 1926.603
Show Explanation
Explanation:
OSHA 1926.603 requires safety chains or equivalent means at each hose connection to prevent the line from thrashing if a coupling disconnects. A whipping steam or air hose can cause fatal injuries — the physical restraint is mandatory.
Question 6: OSHA's General Duty Clause requires employers to:
- A. Follow only the specific OSHA standards that apply to their industry
- B. Provide a workplace free from recognized hazards likely to cause death or serious injury, even if no specific standard addresses the hazard(correct)
- C. File a hazard report with OSHA before starting pile driving work
- D. Hire only union-certified operators for pile driving operations
Show Explanation
Explanation:
The General Duty Clause fills gaps in OSHA standards — if a recognized hazard exists and no specific standard addresses it, the employer is still obligated to protect employees. OSHA uses it to cite employers for hazards not explicitly covered by a specific regulation.